🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.9

Radius: 12.5

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.81 AU - 0.99 AU

Year: 569 Days

Day: 13 Hours

Environment

Temp: -163 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,722,370 km

• M1: 156,180 km (0.059 R)
• M2: 572,511 km (0.075 R)
• M3: 973,882 km (0.102 R)
• M4: 1,381,836 km (0.104 R)
• M5: 1,973,794 km (0.101 R)
• M6: 2,422,887 km (0.113 R)
• M7: 2,940,197 km (0.088 R)
• M8: 3,404,100 km (0.061 R)
• M9: 5,437,135 km (0.102 R)
• M10: 6,028,794 km (0.057 R)
• M11: 6,564,205 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.2

Radius: 8.7

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.72 AU - 1.08 AU

Year: 569 Days

Day: 7.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,722,370 km

• M1: 108,159 km (0.04 R)
• M2: 578,944 km (0.107 R)
• M3: 888,611 km (0.104 R)
• M4: 1,576,612 km (0.066 R)
• M5: 2,229,457 km (0.116 R)
• M6: 3,029,357 km (0.114 R)
• M7: 3,927,393 km (0.025 R)
• M8: 4,728,938 km (0.067 R)
• M9: 5,217,525 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.7

Radius: 14.8

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.08 AU - 1.2 AU

Year: 812 Days

Day: 8.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,722,370 km

• M1: 184,155 km (0.033 R)
• M2: 1,227,451 km (0.1 R)
• M3: 2,008,800 km (0.116 R)
• M4: 2,619,758 km (0.051 R)
• M5: 3,129,438 km (0.072 R)
• M6: 3,863,664 km (0.086 R)
• M7: 4,499,306 km (0.092 R)
• M8: 5,927,666 km (0.113 R)
• M9: 6,658,900 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963

Radius: 12

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.29 AU - 2.15 AU

Year: 1504 Days

Day: 10.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 17,722,370 km

• M1: 149,299 km (0.066 R)
• M2: 547,229 km (0.097 R)
• M3: 994,078 km (0.082 R)
• M4: 1,575,116 km (0.08 R)
• M5: 2,132,368 km (0.117 R)
• M6: 2,570,241 km (0.119 R)
• M7: 3,023,074 km (0.034 R)
• M8: 3,716,011 km (0.117 R)
• M9: 4,298,246 km (0.114 R)
• M10: 5,508,942 km (0.115 R)
• M11: 6,120,498 km (0.062 R)
• M12: 6,776,933 km (0.1 R)
• M13: 7,791,356 km (0.072 R)
• M14: 8,562,982 km (0.103 R)
• M15: 9,287,335 km (0.105 R)
• M16: 9,848,626 km (0.111 R)
• M17: 10,397,501 km (0.12 R)
• M18: 10,822,508 km (0.087 R)
• M19: 11,519,186 km (0.081 R)
• M20: 12,284,678 km (0.082 R)
• M21: 12,759,950 km (0.111 R)
• M22: 13,247,490 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.4

Radius: 12

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.58 AU - 5.26 AU

Year: 7277 Days

Day: 8.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 17,722,370 km

• M1: 163,810 km (0.077 R)
• M2: 1,094,757 km (0.114 R)
• M3: 1,519,615 km (0.085 R)
• M4: 2,506,064 km (0.091 R)
• M5: 3,261,533 km (0.035 R)
• M6: 4,270,122 km (0.113 R)
• M7: 5,735,732 km (0.045 R)
• M8: 6,210,406 km (0.055 R)
• M9: 6,785,011 km (0.114 R)
• M10: 7,316,682 km (0.114 R)
• M11: 9,080,292 km (0.107 R)
• M12: 10,957,595 km (0.052 R)
• M13: 13,080,987 km (0.066 R)
• M14: 19,377,263 km (0.093 R)
• M15: 21,560,793 km (0.109 R)
• M16: 22,131,359 km (0.113 R)
• M17: 30,699,577 km (0.103 R)
• M18: 33,766,483 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.7

Radius: 14.6

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.7 AU - 6.2 AU

Year: 8484 Days

Day: 8.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 17,722,370 km

• M1: 184,454 km (0.068 R)
• M2: 766,689 km (0.102 R)
• M3: 1,351,168 km (0.119 R)
• M4: 1,918,593 km (0.044 R)
• M5: 4,034,954 km (0.117 R)
• M6: 5,109,665 km (0.107 R)
• M7: 5,765,951 km (0.1 R)
• M8: 6,294,630 km (0.075 R)
• M9: 6,779,028 km (0.107 R)
• M10: 7,328,500 km (0.114 R)
• M11: 10,180,135 km (0.072 R)
• M12: 11,494,053 km (0.109 R)
• M13: 13,827,930 km (0.103 R)
• M14: 17,314,308 km (0.115 R)
• M15: 17,824,586 km (0.12 R)
• M16: 19,105,892 km (0.091 R)
• M17: 19,887,691 km (0.083 R)
• M18: 21,265,936 km (0.101 R)
• M19: 24,667,043 km (0.12 R)
• M20: 28,014,744 km (0.096 R)
• M21: 30,902,432 km (0.069 R)
• M22: 34,669,307 km (0.106 R)
• M23: 41,914,780 km (0.081 R)
• M24: 42,968,996 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.9

Radius: 14.9

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.3 AU - 5.6 AU

Year: 8484 Days

Day: 9.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 17,722,370 km

• M1: 185,501 km (0.112 R)
• M2: 660,774 km (0.088 R)
• M3: 1,227,600 km (0.11 R)
• M4: 1,850,675 km (0.066 R)
• M5: 2,932,268 km (0.071 R)
• M6: 3,753,859 km (0.08 R)
• M7: 4,317,843 km (0.101 R)
• M8: 4,938,226 km (0.1 R)
• M9: 5,417,388 km (0.1 R)
• M10: 6,249,451 km (0.117 R)
• M11: 6,734,896 km (0.069 R)
• M12: 11,142,797 km (0.119 R)
• M13: 15,506,717 km (0.112 R)
• M14: 17,769,684 km (0.041 R)
• M15: 20,084,113 km (0.098 R)
• M16: 22,593,018 km (0.095 R)
• M17: 28,836,635 km (0.051 R)
• M18: 29,873,348 km (0.094 R)
• M19: 32,241,632 km (0.092 R)
• M20: 34,848,824 km (0.106 R)
• M21: 35,316,168 km (0.108 R)
• M22: 36,984,932 km (0.1 R)
• M23: 45,845,464 km (0.107 R)

Asteroid Belt

Center: 5.93 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.7

Radius: 5

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.46 AU - 7.34 AU

Year: 10797 Days

Day: 24.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,722,370 km

• M1: 92,003 km (0.116 R)
• M2: 1,860,848 km (0.083 R)
• M3: 2,269,699 km (0.087 R)
• M4: 2,574,131 km (0.054 R)
• M5: 3,315,538 km (0.119 R)
• M6: 10,566,846 km (0.12 R)
• M7: 11,974,412 km (0.072 R)
• M8: 12,179,361 km (0.115 R)
• M9: 14,313,075 km (0.053 R)
• M10: 14,497,679 km (0.077 R)
• M11: 16,230,023 km (0.116 R)
• M12: 17,722,411 km (0.097 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 16,170 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit